Easy to Assemble: Detailed instruction is included in the package, just follow the instruction to screw the tubes by hands. It is a easily tighten design for attaching shelves. But you need a small screwdriver to attach the hooks.
Flexible Installation: The direction of the first 2 layer shelves can be adjusted to meet your stuff or space needs. You can put it straight across or in a corner against walls, it can also stand by itself as a table storage organization